Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

You are not logged in.

- Topics: Active | Unanswered

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,731

Hi,

#7212. Area of a rectangle is equal to the area of a circle whose radius is 21 centimeters. If the length and the breadth of the rectangle are in the ratio 14:11 respectively, what is its perimeter?

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,731

Hi,

#7213. 1/3rd of the diagonal of a square is

meter. What is the measure of the side of the concerned square?It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,731

Hi,

#7214. The area of a square is thrice the area of a rectangle. If the Area of the square is 225 square centimeters and the length of the rectangle is 15 centimeters, what is the difference between the length and the breadth of the rectangle and the side of the square?

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,731

Hi,

#7215. A rectangular pool 20 meters wide and 60 meters long is surrounded by a walkway of uniform length. If the total Area of the walkway is 516 square meters, how wide (in meters) is the walkway?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,731

Hi,

#7216. The radius of a cylinder is five meters more than its height. If the curved surface area of the cylinder is 792 square meters, what is the volume of the cylinder in cubic meters? Use

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,731

Hi,

#7217. A factory produces 1515 items in 3 days. How many items will they produce in a week?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 1,764

Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away. May his adventurous soul rest in peace at heaven.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,731

Hi,

.

Good work, Monox D. I-Fly! The solution #7217 is correct!

#7218. A juice center requires 35 dozen guavas for 28 days. How many dozen guavas will it require for 36 days?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 1,764

Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away. May his adventurous soul rest in peace at heaven.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,731

Hi,

Neat work, Monox D. I-Fly! The solution #7218 is correct!

#7219. A and B together can complete a particular task in 8 days. If B alone can complete the same task in 10 days, how many days will A take to complete the task if he works alone?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 1,764

Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away. May his adventurous soul rest in peace at heaven.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,731

Hi,

The solution #7219 is correct. Keep it up, Monox D. I-Fly!

#7220. Six women and ten children together take six days to complete a piece of work. How many days will 10 children take to complete the piece of work if six women together can complete the same piece of work in 10 days?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 1,764

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,731

Hi,

The solution #7220 is correct. Splendid, Monox D. I-Fly!

#7221. A alone can make 100 baskets in 6 days and B alone can make 100 baskets in 12 days. In how many days can A and B together make 100 baskets?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 1,764

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,731

Hi,

.

The solution #7221 is correct. Neat work, Monox D. I-Fly!

#7222. A and B together can do a piece of work in 6 days. If A can alone do the work in 18 days, then how many number of days is required for B to finish the work?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,731

Hi,

#7223. A is twice as effective as B. B started the work and after 4 days, A joins B and the complete work was complete in 9 days. Then, B can complete the whole work alone in how many days?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,731

Hi,

#7224. Evaluate:

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,731

Hi,

.

#7225. Evaluate:

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 1,764

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,731

Hi,

.

Good attempt, Monox D. I-Fly! You got it almost right!

#7226. Find the average of the following set of scores:

152, 635, 121, 423, 632, 744, 365, 253, 302.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,731

Hi,

.

#7227. The sum of the squares of two odd numbers is 11570. The square of the smaller number is 5329. What is the other number?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,731

Hi,

.

#7228. The cost of 4 calculators and 2 Geometry boxes is $6200. What is the cost of 10 calculators and 5 Geometry boxes?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 1,764

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,731

Hi,

The solution #7228 is correct. Neat work, Monox D. I-Fly!

#7229. At present, Kevin is twice as Simon's age. Eight years hence, the respective ratio of Kevin's and Simon's ages then will be 22:13. What is Kevin's present age?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline